package xt.outfood.common;

import com.baomidou.mybatisplus.core.handlers.MetaObjectHandler;
import lombok.extern.slf4j.Slf4j;
import org.apache.ibatis.reflection.MetaObject;
import org.springframework.stereotype.Component;

import java.time.LocalDateTime;

/**
 * 自定义元数据对象更新处理器，也是mybaties-plus自带的公共字段填充器
 * @author 小小爱欧
 * @date 2022/7/21 10:24
 */
@Component
@Slf4j
public class MyMetaObjectHandler implements MetaObjectHandler {
    @Override
    public void insertFill(MetaObject metaObject) {
        log.info("公共字段自动填充【insert】............");
        log.info(metaObject.toString());
        metaObject.setValue("createTime", LocalDateTime.now());
        metaObject.setValue("updateTime",LocalDateTime.now());
        //公共字段填充，利用ThreadLocal获取用户id，session在这里不能获取
        metaObject.setValue("createUser",BaseContext.getCurrentId());
        metaObject.setValue("updateUser",BaseContext.getCurrentId());


    }

    @Override
    public void updateFill(MetaObject metaObject) {
        log.info("公共字段自动填充【update】............");
        log.info(metaObject.toString());
        metaObject.setValue("updateTime",LocalDateTime.now());
        metaObject.setValue("updateUser",BaseContext.getCurrentId());
    }
}
